thermocol sheet price in pakistan

Tag: moisture resistance

  • Why Jumbolon is Ideal for Cold Storage & Refrigeration Units?

    Why Jumbolon is Ideal for Cold Storage & Refrigeration Units?

    Maintaining precise, low temperatures is paramount for cold storage facilities and refrigeration units. Any inefficiency in insulation can lead to significant energy waste, temperature fluctuations that compromise stored goods, and the costly formation of ice and condensation. This is where Jumbolon insulation, a high-performance Extruded Polystyrene (XPS) foam, emerges as an indispensable material.

    Jumbolon’s unique properties make it exceptionally well-suited for the demanding environments of cold room panels, walk-in freezers, and industrial refrigeration. It delivers the robust thermal protection and moisture resistance essential for preventing heat gain and ensuring optimal operational efficiency.

    The Critical Demands of Cold Environments

    XPS For Cold Storage Insulation

    Cold storage applications face unique challenges that standard insulation materials often fail to address adequately:

    1. Extreme Temperature Differential

    The vast difference between the internal cold temperature and the external ambient temperature creates a constant drive for heat to infiltrate the unit. This requires an insulation material with a very high R-value and exceptional thermal resistance.

    2. Vapor Drive and Condensation

    Warm, humid air from outside constantly tries to migrate into the cold space. If this vapor isn’t stopped effectively, it will condense and freeze, leading to ice formation, structural damage, reduced efficiency, and potential mold growth. An effective vapor barrier is critical.

    3. Hygienic Requirements

    Cold storage units must maintain strict hygiene standards to protect perishable goods. Insulation materials that absorb moisture or foster mold are unacceptable.

    Jumbolon’s Unmatched Advantages for Cold Storage

    Jumbolon For Cold Storage Insulation

    Jumbolon (XPS) offers a suite of properties that directly address these challenges, making it an ideal choice for cold storage insulation.

    1. Superior Thermal Performance (High R-Value)

    Jumbolon boasts a high R-value per inch (typically R-5.0), providing excellent thermal protection in critical temperature-controlled environments. Its consistent insulation value minimizes heat transfer, significantly reducing the energy load on refrigeration systems. This translates directly to enhanced energy efficiency and lower operating costs for any refrigeration unit.

    2. Unrivaled Moisture Resistance

    The defining feature of Jumbolon is its completely closed-cell structure. This makes it virtually impervious to water absorption and water vapor transmission. In cold room applications, this means: * No Ice Formation: Jumbolon prevents the infiltration of moisture that would otherwise freeze within the insulation or on surfaces. * Maintained R-Value: Unlike materials that lose insulating power when wet, Jumbolon’s R-value remains stable, ensuring consistent long-lasting insulation. * Vapor Barrier: It acts as an inherent vapor barrier, mitigating condensation and mold growth.

    3. High Compressive Strength

    Cold room panels and flooring often bear heavy loads from stored goods, shelving, and forklift traffic. Jumbolon’s high compressive strength allows it to withstand these pressures without deforming, ensuring the long-term integrity of the insulated structure and preventing thermal bridging caused by crushing. This makes it ideal for floor insulation in freezers.

    4. Durability and Longevity

    The robust nature of Jumbolon ensures it stands up to the harsh conditions of cold storage environments. Its resistance to rot, decay, and insect infestation, combined with its stable thermal performance, means it provides long-lasting insulation requiring minimal maintenance.

    Applications in Cold Storage & Refrigeration

    Jumbolon is versatile enough for various components within cold environments:

    • Cold Room Panels: Used as the core insulating material in pre-fabricated or custom-built panels.
    • Floor Insulation: Critical for preventing frost heave and maintaining floor temperature in walk-in freezers and coolers. Its compressive strength is essential here.
    • Wall and Ceiling Insulation: Forms a continuous thermal envelope to minimize heat leakage throughout the structure.
    • Refrigerated Transport: Increasingly used in the construction of refrigerated containers and trucks for its lightweight and superior insulation properties.

    The Economic and Operational Benefits

    Investing in Jumbolon for your cold storage or refrigeration unit offers clear advantages:

    • Significant Energy Savings: The superior thermal resistance and air sealing properties drastically reduce the energy consumption of refrigeration systems.
    • Product Integrity: Stable temperatures and absence of moisture protect sensitive goods (food, pharmaceuticals, chemicals) from spoilage or damage.
    • Reduced Maintenance: Prevents issues like ice formation, rust, and mold growth, leading to lower repair and cleaning costs.
    • Optimized Space: Its high R-value allows for thinner insulation profiles compared to less efficient materials, maximizing usable interior space.

    For any application where precise temperature control and moisture resistance are non-negotiable, Jumbolon insulation offers a reliable, efficient, and long-lasting insulation solution, solidifying its position as the preferred choice for cold storage insulation.

    FAQ’S

    Jumbolon (XPS) is highly recommended for cold storage because it has excellent thermal resistance, low water absorption, and high compressive strength. These properties help maintain stable low temperatures, reduce energy consumption, and prevent moisture buildup inside refrigeration units.

    For standard cold rooms, 50mm to 75mm Jumbolon sheets are commonly used, while freezer rooms and deep-freeze units often require 100mm or higher thickness. The ideal thickness depends on temperature requirements, insulation design, and building specifications.

    Yes. Jumbolon’s closed-cell structure makes it moisture-resistant, preventing condensation, mold, and water absorption. This is essential for maintaining hygiene standards in cold storage and refrigerated warehouse environments.

    Absolutely. Jumbolon is used for walls, roofs, floors, and doors of cold storage units due to its high durability and thermal efficiency. It provides long-lasting performance even under constant low-temperature conditions.

  • Jumbolon vs. EPS Sheet: Which Is the Better Insulation Choice?

    Jumbolon vs. EPS Sheet: Which Is the Better Insulation Choice?

    Choosing the right insulation material is a critical decision for any construction project. It impacts everything from long-term energy costs to the structural integrity and comfort of the building. Two common choices in the rigid foam insulation market are Jumbolon sheets vs EPS (Expanded Polystyrene) sheets. While both are lightweight, foam-based materials, they are fundamentally different in composition, properties, and overall performance.

    This comprehensive guide breaks down the key differences to help you determine which material—Jumbolon or EPS sheet—is the superior option for your specific application.

    Understanding the Materials: Jumbolon vs EPS Sheet

    XPS Vs EPS Sheet

    The core difference lies in their manufacturing process and material classification.

    1. Jumbolon (Extruded Polystyrene – XPS)

    Jumbolon is a popular brand name for Extruded Polystyrene (XPS) foam insulation. It is manufactured through a continuous extrusion process that results in a unique structure.

    • Structure: Closed-cell, homogenous, and uniform. This tight, non-interconnected cell structure is key to its superior properties.
    • Key Advantage: The closed-cell structure makes it an extremely effective moisture-resistant foam and accounts for its high compressive strength.

    2. EPS Sheet (Expanded Polystyrene)

    Expanded Polystyrene (EPS) sheets, sometimes colloquially referred to as Thermopore or Thermocol, are made by expanding polystyrene beads with steam, fusing them into a solid block, and then cutting the block into sheets.

    Key Advantage: It is highly cost-effective and lightweight.

    Structure: Closed-cell, but the cells are not completely interconnected; there are tiny voids between the fused beads.

    Performance Comparison: Jumbolon vs. EPS Sheet

    XPS Sheet Vs EPS Sheet

    The performance of an insulating material is measured by several key criteria, including thermal efficiency, resistance to moisture, and long-term durability.

    1. Thermal Insulation (R-Value)

    The R-value measures a material’s resistance to heat flow. A higher R-value indicates better thermal resistance and insulating capability.

    FeatureJumbolon (XPS)EPS Sheet (Expanded Polystyrene)Verdict
    R-Value per InchGenerally $\approx 5$Generally $\approx 3.6 – 4.2$Jumbolon (XPS) offers a significantly higher R-value per inch, providing superior thermal performance in thinner applications.
    Long-Term PerformanceMaintains R-value exceptionally well over time.Can see a slight drop in R-value if exposed to moisture over the long term.Jumbolon (XPS) maintains efficiency better.

    2. Moisture Resistance and Water Absorption

    Water absorption is critical, as a wet insulator loses its R-value rapidly.

    • Jumbolon (XPS): Due to its fine, uniform closed-cell structure, it is highly hydrophobic. It has very low water absorption (often $< 0.3\%$ by volume, even when submerged) and is an excellent water-resistant insulation choice, making it ideal for below-grade applications and areas prone to dampness.
    • EPS Sheet: While largely closed-cell, the spaces between the fused beads can allow water vapor to permeate and, in prolonged exposure to moisture, it can absorb more water (up to $2-3\%$ by volume).

    Verdict: Jumbolon (XPS) is the clear winner for moisture resistance, ensuring stable performance in humid or wet environments.

    3. Compressive Strength

    Compressive strength is the material’s ability to withstand loads without deforming or failing.

    • Jumbolon (XPS): Features a high compressive strength (often $250 – 350$ KPa or more). Its dense, uniform structure makes it ideal for bearing heavy loads.
    • EPS Sheet: Compressive strength is good but varies significantly with the density grade. It typically performs well but is generally less robust than XPS at comparable densities.

    Verdict: Jumbolon (XPS) is better suited for applications under high load or pressure, such as floor insulation and roof insulation.

    Common Applications of Jumbolon Vs EPS Sheet

    The best choice often depends on the specific job.

    ApplicationJumbolon (XPS) RecommendationEPS Sheet Recommendation
    Below-Grade Insulation (Foundations, Slabs)Strongly Recommended (Due to high moisture resistance and compressive strength).Not ideal for long-term below-grade use where persistent moisture is a factor.
    Wall Insulation (Cavity or Exterior)Excellent choice (High R-value, durability).Good choice (Cost-effective and lightweight for above-grade walls).
    Roof Insulation (Flat or Pitched)Recommended (Withstands environmental stress and traffic loads better).Suitable for light-load roof systems where cost is the primary factor.
    General Packaging/Void FillOverkill, generally too expensive.Highly Recommended (Most cost-effective foam for non-structural, protective use).

    Cost-Effectiveness and Durability

    While Jumbolon provides better performance, the final decision often comes down to budget and long-term value.

    • Initial Cost: The Expanded Polystyrene (EPS sheet) typically has a lower insulation material cost per square foot than Jumbolon (XPS). It is the more budget-friendly option upfront.
    • Long-Term Value: Jumbolon’s long-lasting insulation properties—its superior moisture resistance and higher R-value retention—mean it can offer better lifetime value and greater energy efficiency over the decades, leading to lower utility bills. Its durability also reduces the risk of material replacement.

    Conclusion: Which Is Better Jumbolon Vs EPS Sheet?

    There is no single “better” material; there is only the right material for the job.

    • Choose Jumbolon (XPS) when:
      • You need the highest possible thermal resistance in a limited thickness.
      • The application involves persistent moisture, such as a basement, foundation, or water tank insulation.
      • The material will be subject to heavy loads, such as in floor insulation or a trafficable roof.
    • Choose EPS Sheet when:
      • The budget is the primary constraint.
      • The application is for above-grade walls where it will be protected from direct water exposure.
      • The material is for lightweight use like packaging or a quick, non-structural heat proofing solution.

    In the final analysis, for applications requiring long-lasting insulation and maximum thermal performance under challenging conditions, the superior compressive strength and moisture-resistant foam properties of Jumbolon (XPS) make it the clear technical winner, justifying its higher insulation material cost.

    FAQ’S

    The main difference lies in how they are manufactured. Jumbolon (XPS) is made through an extrusion process, resulting in a closed-cell, highly uniform structure with no internal voids. This structure gives it superior moisture resistance and high compressive strength. EPS sheets are made by expanding and fusing beads, resulting in a closed-cell structure but with tiny air voids between the fused beads, which allows for slightly higher water vapor permeability and absorption over time.

    Yes, Jumbolon (XPS) is highly recommended for basement, foundation, and other below-grade insulation applications. This is because these areas are prone to constant moisture exposure. Jumbolon’s extremely low water absorption and high moisture-resistant foam properties ensure its R-value remains stable and its performance is not compromised by groundwater or damp soil, unlike EPS, which can absorb more water over the long term.

    Jumbolon (XPS) generally offers better long-term performance and R-value retention. While both materials have high initial R-values, Jumbolon’s robust, closed-cell structure is inherently resistant to moisture ingress. Since water infiltration is the primary cause of R-value degradation in foam insulation, the superior water resistance of Jumbolon ensures it maintains its specified thermal resistance over the lifespan of the building more reliably than standard EPS sheets.

    An EPS sheet is the most cost-effective foam option when the application is above-grade and not exposed to constant moisture or high structural loads. It is a great budget-friendly choice for non-structural applications like general wall insulation, temporary heat proofing, or protective packaging where its slightly lower R-value per inch and higher permeability are acceptable trade-offs for a lower insulation material cost.

  • XPS Sheet Insulation

    XPS Sheet Insulation

    Introduction: What Makes XPS Sheet Insulation a Construction Staple?

    In the world of building materials, few products achieve. The combination of durability and thermal performance offered by XPS Sheet Insulation, or Extruded Polystyrene Foam. Easily recognized by its distinct pink, blue, or green color. Expanded Polystyrene (EPS), due to a specialized manufacturing process called extrusion.

    This process results in a material with a unique closed-cell structure that is uniform, dense, and remarkably robust. This density is the fundamental reason why XPS is the material of choice for the most challenging insulation applications in modern construction. Its superior qualities ensure buildings maintain exceptional energy efficiency and structural integrity over the decades.

    The Critical Advantage of Moisture Resistance

    The single greatest threat to insulation performance is water. When traditional fibrous or open-cell insulation materials absorb moisture, their thermal resistance plummets, leading to energy waste, mold growth, and structural issues. This is where the closed-cell structure of XPS offers a significant, non-negotiable advantage.

    The non-interconnected foam cells of Extruded Polystyrene Foam physically repel water, resulting in extremely low water absorption. This superior moisture resistance ensures that the material maintains its insulating power even when directly exposed to damp or wet conditions, such as continuous contact with soil or heavy rain. This durability is the primary factor driving its selection for submerged or high-humidity environments.

    High Compressive Strength and Load-Bearing Applications

    In many areas of a building envelope, insulation is required to bear significant weight without deforming. Standard foam insulations may fail under pressure, but XPS is specifically engineered to resist crushing, featuring a consistently high compressive strength.

    The tight cellular structure gives XPS Sheet Insulation a remarkable load-bearing capacity. This property makes it indispensable for applications where heavy static or dynamic loads are present:

    • Under Slabs: Insulating concrete floors and rafts where the material must support the entire weight of the slab, finished floor, and live loads.
    • Parking Decks: Used in commercial projects beneath pavers or asphalt where vehicle traffic demands maximum structural stability.

    This resistance to pressure guarantees the long-term thermal performance of the assembly, preventing costly structural movement and cold spots that arise from compromised insulation.

    Applications Where XPS Excels – Below-Grade and Inverted Systems

    Jumbolon Board in Pakistan

    The unique properties of Extruded Polystyrene Foam make it the undisputed champion for specific, demanding installation types.

    Below-Grade Applications and Foundation Walls

    Insulating the exterior of foundation walls and basements is known as below-grade applications. This environment is challenging because the insulation is constantly exposed to soil moisture, hydrostatic pressure, and seasonal freezing/thawing cycles. The moisture resistance and high compressive strength of XPS are perfectly suited here. Installing XPS Sheet Insulation around the foundation helps prevent thermal bridging and keeps the basement space warm and dry, significantly improving the home’s overall energy efficiency. It functions as essential perimeter insulation, protecting the concrete from extreme temperature swings.

    Inverted Roof Systems

    A revolutionary application where XPS is mandatory is the inverted roof systems (or protected membrane roofs). In this design, the rigid foam boards are placed above the waterproofing membrane, rather than below it. This protects the membrane from extreme temperature fluctuations and damaging UV rays, thereby extending the waterproofing system’s life. The XPS boards must have enough strength and moisture resistance to withstand standing water, foot traffic, and the weight of ballast (gravel or paving stones) without absorbing water or deforming.

    Performance Metrics and Long-Term Value

    When evaluating any insulation, its thermal resistance and stability over time are key indicators of its value.

    R-Value Stability

    XPS insulation typically boasts an initial R-value of around R-5 per inch of thickness. However, which is generally higher than standard EPS. However, one key advantage often cited is its R-value stability. While some foam insulation boards may experience a slight long-term reduction in R-value due to the diffusion of the blowing agent. The dense, closed-cell structure of XPS is designed to minimize this effect, providing reliable long-term thermal performance. This predictability is crucial for architects and builders calculating lifetime energy efficiency savings.

    The Cost-Benefit of Durability

    While XPS Sheet Insulation may have a higher initial material cost compared to standard EPS or fiberglass. Its superior durability, moisture resistance, and minimal need for replacement in tough environments like below-grade applications translate to lower long-term thermal performance costs. By effectively insulating foundation walls and high-load areas. XPS ensures the structural health and thermal integrity of the building for its entire lifespan. The investment in robust perimeter insulation and high load-bearing capacity foam dramatically reduces future maintenance expenses.

    Conclusion: The Right Tool for the Toughest Jobs

    XPS Sheet Insulation is a premium, high-performance material indispensable for specialized construction challenges. Its unbeatable moisture resistance and exceptional high compressive strength. Moreover, make it the logical choice for inverted roof systems and all below-grade applications, including insulating foundation walls. By utilizing its superior R-value stability and robust load-bearing capacity for crucial perimeter insulation. Furthermore, builders achieve unparalleled energy efficiency and ensure the long-term thermal performance of the entire structure. For demanding environments, Extruded Polystyrene Foam is the reliable, durable solution.

    FAQ’S

    While XPS is known for its excellent initial thermal performance (around R-5 per inch), it does experience a gradual reduction in R-value over time, a phenomenon known as thermal drift. This occurs because the initial captive blowing agent within the material’s closed-cell structure slowly escapes and is replaced by air. However, the dense structure of Extruded Polystyrene Foam causes this drift to happen at a slower rate compared to some other foam boards. Manufacturers are required to report the Long-Term Thermal Performance (LTTR), which represents the stable R-value expected over the product’s lifespan, ensuring the building’s calculated energy efficiency is met.

    Yes, XPS is the preferred rigid foam for virtually all below-grade applications, including foundations and areas with fluctuating water tables. Its manufacturing process creates a closed-cell structure that provides superior moisture resistance, preventing water from being wicked up or absorbed into the insulation core. This ensures that the material’s insulating capacity is maintained even when the perimeter insulation around the foundation walls is submerged or subjected to constant dampness. Its high compressive strength further allows it to resist pressure from soil and water without deforming.

    The high compressive strength is crucial when XPS is used beneath concrete slabs, floors, or in inverted roof systems. This exceptional load-bearing capacity means the Extruded Polystyrene Foam can withstand the immense weight of the concrete and subsequent live loads (people, vehicles, equipment) without crushing or permanently deflecting. Maintaining its thickness is vital, as any compression would compromise the entire assembly and negatively impact the long-term thermal performance of the slab insulation, leading to cold spots and thermal bridging.

    Generally, no. While the distinct coloration (often pink, blue, or green) is the primary way to visually identify XPS Sheet Insulation from white EPS, the color typically only indicates the manufacturer or brand (e.g., pink for one major brand, blue for another). The core performance properties—like the R-value stability, closed-cell structure, and high compressive strength—are governed by the product’s type (e.g., Type IV, Type VI) and thickness, which should be verified on the product label, not assumed based on color.